Zhejiang Zhoushan is the only city in the islands of the prefecture level administrative divisions, 2 districts and 2 counties under the jurisdiction of. Zhoushan city hall is located in Lincheng new district; Haicheng district government in Dinghai District; Putuo District government is located in the island at the eastern end of the famous fishing port town of Shenjiamen; Daishan county government is located in Daishan island gaotingzhen; Shengsi county government is located in Si Cay caiyuanzhen.

    The islands of the Zhoushan development has a long history. According to historical records and unearthed cultural relics research, Hemudu Site is a second cultural layer age, about 5000 years ago the Neolithic age, human beings have blazed a wild on the island, capturing the sea, multiply, began to engage in fishery and salt production.

    During the spring and Autumn period, Zhoushan is more, "said the Ningbo East" (Yongjiang River East), and metaphor "haizhongzhou". Tang Kaiyuan twenty-six years (738) home county, to the territory named "Weng Weng Shan Shan county". To the Dali six years (771), the rate of Yuan Chao rebellion Weng Shan county was taken waste. Xining six years the Northern Song Dynasty (1073) to set up county, renamed "Chang county". At the beginning of the yuan rise the county for the state. Hongwu two years (1369), to the state for the county; Hongwu twenty years waste Chang county. To the early Qing Dynasty, has twice to move people. Qing emperor Kangxi twenty-six years (1687) to the county, renamed "Dinghai county", when the light was "Dinghai Zhili hall". Xin Hai Revolution, Dinghai County recovery system. In thirty-eight years (1949) is divided into two county Dinghai, weng.

    In May 17, 1950 the Zhoushan islands liberation, the establishment of Dinghai County People's government, the Ningbo area jurisdiction. In 1953 3 menstrual approved by the Government Administration Council, Dinghai county area is divided into Putuo, Dinghai, Daishan county 3, from Jiangsu province into Shengsi County, the establishment of the Zhoushan area. In 1954, will be included in the Xiangshan County Ningbo prefecture. In 1958, Xiangshan County, under the Taizhou area. In 1959, Putuo, Dinghai, Daishan, Shengsi County, Zhoushan County, incorporated. In 1960 November, Shengsi people's communes classified in Shanghai city. In 1962 May, the revocation of Zhoushan County, the re establishment of Zhoushan area, under the jurisdiction of Putuo, Daishan, Dinghai, big Qu, Shengsi County 5. In 1964, the revocation of Quxian County, the area was placed under the Daishan, Shengsi 2 counties. In 1967 March, renamed Zhoushan Zhoushan area. 1987 January, approved by the State Council, the revocation of Zhoushan area and Dinghai, Putuo 2 counties, the establishment of Zhoushan City, 2 districts (Dinghai, Putuo District) 2 counties (Daishan County, Shengsi county), to implement the new system the leadership of the city district, county.

    Zhoushan has a fisheries, ports, tourism three big advantage. Zhoushan is the largest sea products Chinese production, processing, sales base, has the reputation of "the Chinese fishing". Zhoushan harbor is numerous, channel aspect, the depth of Lang Ping, China can be counted on one's fingers is a natural deep-water port. Zhoushan preserved Island natural scenery, rich in tourism resources, is now open two national and two provincial-level scenic spots, tourists in 2009 reached 17520000 person times. The total area of 19000 hectares of arable land, of which 11900 hectares paddy fields, dry land 7100 hectares. The total area of 55900 hectares of forest land.

    Zhoushan is known as "the East China Sea fish warehouse" and "the fishing" the laudatory name. Because of the natural environment near the sea is superior, rich food, to the different habits of fish migration, habitat, reproduction and growth created favorable conditions. A total of 1163 species of marine organisms, by category: there are 91 kinds of phytoplankton, zooplankton, benthic animal animal 103 kinds 480, benthic plants 131, swim 358 animal species. The main varieties of fishing fish, herring, mackerel, eel, chub mackerel, horse fish, grouper, swimming crab and shrimp and so on more than 40 species.

    Marine mineral resources can be divided into three categories: one is the coastal placer; two is the offshore oil and natural gas; three is the seabed polymetallic nodules and multi metal ooze. The East China Sea was first discovered and entered the commercial development of Pinghu oil and gas fields, 302 km southeast from the island of Daishan, a total area of about 240 square kilometers. Proved reserves: 10800000000 cubic meters of natural gas, condensate oil 1770000 tons, 10780000 tons of crude oil to light.